<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Vega specs</title>
    <style type="text/css">
        body {
            font-family: 'Segoe UI', sans-serif;
        }
        .spec-table {
            display: grid;
            grid-template-columns: 50% 50%;
        }
        textarea {
            height: 500em;
            width: 100%;
        }
    </style>

<script src="https://unpkg.com/vega@^5.8/build/vega.js"></script>
<script src="https://cdn.jsdelivr.net/npm/vega-lite@4.0.0-beta.12"></script>

</head>

<body>

    <script src="conversions.js"></script>
    <script src="index.js"></script>

</body>

</html>